Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:40710' (ECDSA) to the list of known hosts. 2023/05/18 10:01:51 fuzzer started 2023/05/18 10:01:52 dialing manager at localhost:44319 2023/05/18 10:01:52 checking machine... 2023/05/18 10:01:52 checking revisions... syzkaller login: [ 38.709921] kmemleak: Automatic memory scanning thread ended 2023/05/18 10:01:52 testing simple program... [ 38.769244] cgroup: Unknown subsys name 'net' [ 38.839246] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.343205] audit: type=1400 audit(1684404124.915:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.448086] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.449854] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.451048] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.453755] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.455420] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.456569] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.861347] ------------[ cut here ]------------ [ 52.862124] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.864443] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.865641] Modules linked in: [ 52.866068] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.870811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.871921] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.872692] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 52.875065] RSP: 0018:ffff88802011fc00 EFLAGS: 00010282 [ 52.875814] RAX: 0000000000000000 RBX: ffff88800e143040 RCX: 0000000000000000 [ 52.876788] RDX: ffff88801a5351c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.877748] RBP: ffff88800e143054 R08: 0000000000000001 R09: 0000000000000000 [ 52.878715] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.879682] R13: ffffffff84e23fe0 R14: ffff88800e143048 R15: ffffffff84d74dc0 [ 52.880660] FS: 0000555556777400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.881738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.882539] CR2: 00007fd5f02ed6f4 CR3: 0000000016216000 CR4: 0000000000350ee0 [ 52.883503] Call Trace: [ 52.883856] [ 52.884178] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.884904] ipv4_frags_init_net+0x269/0x440 [ 52.885547] ops_init+0xbb/0x6b0 [ 52.886037] setup_net+0x3d9/0x990 [ 52.886565] ? down_read_killable+0x1d7/0x4e0 [ 52.887187] ? __pfx_setup_net+0x10/0x10 [ 52.887772] ? copy_net_ns+0x17c/0x770 [ 52.888357] copy_net_ns+0x321/0x770 [ 52.888894] create_new_namespaces+0x3f6/0xb30 [ 52.889561] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.890224] ksys_unshare+0x44d/0x8e0 [ 52.890791] ? __pfx_ksys_unshare+0x10/0x10 [ 52.891414] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.892180] __x64_sys_unshare+0x31/0x40 [ 52.892805] do_syscall_64+0x3f/0x90 [ 52.893357] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.894054] RIP: 0033:0x7f73cbce40d7 [ 52.894590] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 52.897054] RSP: 002b:00007ffd8ce585f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.898104] RAX: ffffffffffffffda RBX: 00007ffd8ce58c38 RCX: 00007f73cbce40d7 [ 52.899063] RDX: 00007f73cbd4e41f RSI: 00007ffd8ce58590 RDI: 0000000040000000 [ 52.900032] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd8ce583a0 [ 52.900999] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f73cbdf6bf0 [ 52.901966] R13: 00007ffd8ce586d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.902952] [ 52.903307] irq event stamp: 8407 [ 52.903762] hardirqs last enabled at (8417): [] __up_console_sem+0x78/0x80 [ 52.904920] hardirqs last disabled at (8428): [] __up_console_sem+0x5d/0x80 [ 52.906080] softirqs last enabled at (7896): [] irq_exit_rcu+0x93/0xc0 [ 52.907282] softirqs last disabled at (7891): [] irq_exit_rcu+0x93/0xc0 [ 52.908478] ---[ end trace 0000000000000000 ]--- [ 52.914620] ------------[ cut here ]------------ [ 52.915736] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.917657] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.918785] Modules linked in: [ 52.919220] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.920492] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.921577] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.922298] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 52.924630] RSP: 0018:ffff88802011fc00 EFLAGS: 00010282 [ 52.925363] RAX: 0000000000000000 RBX: ffff88800c7d3440 RCX: 0000000000000000 [ 52.926303] RDX: ffff88801a5351c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.927209] RBP: ffff88800c7d3454 R08: 0000000000000001 R09: 0000000000000000 [ 52.928158] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.929106] R13: ffffffff84e23fe0 R14: ffff88800c7d3448 R15: ffffffff84da7d60 [ 52.930093] FS: 0000555556777400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.931195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.932011] CR2: 00007fd5f02ed6f4 CR3: 0000000016216000 CR4: 0000000000350ee0 [ 52.932986] Call Trace: [ 52.933381] [ 52.933709] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.934416] ipv6_frags_init_net+0x206/0x3c0 [ 52.935035] ops_init+0xbb/0x6b0 [ 52.935554] setup_net+0x3d9/0x990 [ 52.936059] ? down_read_killable+0x1d7/0x4e0 [ 52.936740] ? __pfx_setup_net+0x10/0x10 [ 52.937334] ? copy_net_ns+0x17c/0x770 [ 52.937899] copy_net_ns+0x321/0x770 [ 52.938464] create_new_namespaces+0x3f6/0xb30 [ 52.939110] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.939812] ksys_unshare+0x44d/0x8e0 [ 52.940395] ? __pfx_ksys_unshare+0x10/0x10 [ 52.941003] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.941814] __x64_sys_unshare+0x31/0x40 [ 52.942414] do_syscall_64+0x3f/0x90 [ 52.942950] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.943687] RIP: 0033:0x7f73cbce40d7 [ 52.944205] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 52.946608] RSP: 002b:00007ffd8ce585f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.947658] RAX: ffffffffffffffda RBX: 00007ffd8ce58c38 RCX: 00007f73cbce40d7 [ 52.948659] RDX: 00007f73cbd4e41f RSI: 00007ffd8ce58590 RDI: 0000000040000000 [ 52.949625] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd8ce583a0 [ 52.950604] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f73cbdf6bf0 [ 52.951588] R13: 00007ffd8ce586d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.952603] [ 52.952933] irq event stamp: 10281 [ 52.953448] hardirqs last enabled at (10293): [] __up_console_sem+0x78/0x80 [ 52.954620] hardirqs last disabled at (10304): [] __up_console_sem+0x5d/0x80 [ 52.955789] softirqs last enabled at (9772): [] irq_exit_rcu+0x93/0xc0 [ 52.956946] softirqs last disabled at (9767): [] irq_exit_rcu+0x93/0xc0 [ 52.958086] ---[ end trace 0000000000000000 ]--- [ 52.959625] ------------[ cut here ]------------ [ 52.960287] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.962587] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.963753] Modules linked in: [ 52.964202] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.965497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.966592] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.967297] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 52.969610] RSP: 0018:ffff88802011fbf0 EFLAGS: 00010286 [ 52.970341] RAX: 0000000000000000 RBX: ffff88800c7d2040 RCX: 0000000000000000 [ 52.971241] RDX: ffff88801a5351c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.972177] RBP: ffff88800c7d2054 R08: 0000000000000001 R09: 0000000000000000 [ 52.973115] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.974057] R13: ffffffff84e23fe0 R14: ffff88800c7d2048 R15: ffffffff84db0aa0 [ 52.975033] FS: 0000555556777400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.976110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.976911] CR2: 00007fd5f02ed6f4 CR3: 0000000016216000 CR4: 0000000000350ee0 [ 52.977837] Call Trace: [ 52.978182] [ 52.978531] nf_ct_net_init+0x224/0x3d0 [ 52.979078] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.979727] ops_init+0xbb/0x6b0 [ 52.980198] setup_net+0x3d9/0x990 [ 52.980717] ? down_read_killable+0x1d7/0x4e0 [ 52.981351] ? __pfx_setup_net+0x10/0x10 [ 52.981908] ? copy_net_ns+0x17c/0x770 [ 52.982497] copy_net_ns+0x321/0x770 [ 52.983026] create_new_namespaces+0x3f6/0xb30 [ 52.983695] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.984429] ksys_unshare+0x44d/0x8e0 [ 52.984968] ? __pfx_ksys_unshare+0x10/0x10 [ 52.985600] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.986409] __x64_sys_unshare+0x31/0x40 [ 52.986976] do_syscall_64+0x3f/0x90 [ 52.987540] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.988250] RIP: 0033:0x7f73cbce40d7 [ 52.988799] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 52.991179] RSP: 002b:00007ffd8ce585f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.992207] RAX: ffffffffffffffda RBX: 00007ffd8ce58c38 RCX: 00007f73cbce40d7 [ 52.993195] RDX: 00007f73cbd4e41f RSI: 00007ffd8ce58590 RDI: 0000000040000000 [ 52.994161] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd8ce583a0 [ 52.995140] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f73cbdf6bf0 [ 52.996118] R13: 00007ffd8ce586d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.997124] [ 52.997480] irq event stamp: 11049 [ 52.997953] hardirqs last enabled at (11059): [] __up_console_sem+0x78/0x80 [ 52.999123] hardirqs last disabled at (11070): [] __up_console_sem+0x5d/0x80 [ 53.000421] softirqs last enabled at (11086): [] irq_exit_rcu+0x93/0xc0 [ 53.001579] softirqs last disabled at (11079): [] irq_exit_rcu+0x93/0xc0 [ 53.002719] ---[ end trace 0000000000000000 ]--- executing program [ 54.471974] Bluetooth: hci0: command 0x0409 tx timeout [ 56.519865] Bluetooth: hci0: command 0x041b tx timeout executing program [ 58.567452] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.615350] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:01:57 Registers: info registers vcpu 0 RAX=000000000001daa1 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4aa2e6aa50 CR3=000000000ed24000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=127ee2a13a53408887482dde9a847ba9 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=5dc2529eb70f99ec000000000013b8a8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=fe89f502f9698fad00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000023 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88802011f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000023 R11=0000000000000001 R12=0000000000000023 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555556777400 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd5f02ed6f4 CR3=0000000016216000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000